What is the cheapest airline that flies from Nashville Intl to Idaho?

Southwest, Delta, and American Airlines are the most popular carriers operating from Nashville Intl to Idaho

What airlines fly to Idaho?

Delta, American Airlines and Southwest are the top three most popular airlines that fly to Idaho from Nashville according to our data. Delta is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 4 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Nashville Intl Airport to Idaho?

Prices for flights from Nashville Intl Airport to Idaho were last updated today.

How many operators does momondo search for flights from Nashville Intl Airport to Idaho?

As of September 2026, there are 5 operators available to choose from for flights from Nashville Intl Airport to Idaho.

How old do you have to be to fly from Nashville Intl Airport to Idaho?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Nashville Intl Airport to Idaho.

What documentation or ID do you need to fly to Idaho?

The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$104 Cheap Flights from Nashville to Idaho in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Nashville to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 am - 11:24 amBNA Nashville Intl-BOI Boise Air Term. Gowen Fld

7h 24m1 stop Dallas/Fort Worth

3:24 pm - 12:26 amBOI Boise Air Term. Gowen Fld-BNA Nashville Intl

8h 02m1 stop Chicago O'Hare Intl

$207American Airlines

Wed, Oct 7 - Wed, Oct 14

5:00 am - 11:24 amBNA Nashville Intl-BOI Boise Air Term. Gowen Fld

7h 24m1 stop Dallas/Fort Worth

2:02 pm - 9:16 pmBOI Boise Air Term. Gowen Fld-BNA Nashville Intl

6h 14m1 stop Phoenix Sky Harbor Intl

$207American Airlines

Sat, Oct 17 - Sat, Oct 24

6:30 am - 12:15 pmBNA Nashville Intl-BOI Boise Air Term. Gowen Fld

6h 45m1 stop Las Vegas Harry Reid Intl

3:30 pm - 10:15 pmBOI Boise Air Term. Gowen Fld-BNA Nashville Intl

5h 45m1 stop Denver Intl

$207Southwest

Wed, Oct 28 - Wed, Nov 4

5:55 am - 10:45 amBNA Nashville Intl-BOI Boise Air Term. Gowen Fld

5h 50m1 stop Denver Intl

12:40 pm - 9:55 pmBOI Boise Air Term. Gowen Fld-BNA Nashville Intl

8h 15m2 stops San Jose Las Vegas Harry Reid Intl

$212Southwest

Wed, Oct 28 - Wed, Nov 4

7:33 pm - 11:59 pmBNA Nashville Intl-BOI Boise Air Term. Gowen Fld

5h 26m1 stop Salt Lake City

3:36 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-BNA Nashville Intl

7h 23m1 stop Seattle/Tacoma Intl

$220Delta

Thu, Oct 15 - Wed, Oct 21

4:55 pm - 10:42 pmBNA Nashville Intl-GEG Spokane

7h 47m1 stop Salt Lake City

7:00 am - 5:36 pmGEG Spokane-BNA Nashville Intl

8h 36m1 stop Minneapolis St Paul

$233Delta

Thu, Jan 14 - Wed, Jan 20

5:31 pm - 10:33 pmBNA Nashville Intl-BOI Boise Air Term. Gowen Fld

6h 02m1 stop Denver Intl

5:00 am - 3:54 pmBOI Boise Air Term. Gowen Fld-BNA Nashville Intl

9h 54m2 stops Denver Intl Chicago O'Hare Intl

$255United Airlines

Wed, Oct 14 - Wed, Oct 21

10:35 am - 5:53 pmBNA Nashville Intl-GEG Spokane

9h 18m1 stop Denver Intl

9:00 am - 8:15 pmGEG Spokane-BNA Nashville Intl

9h 15m2 stops Denver Intl Chicago O'Hare Intl

$269United Airlines

Thu, Jan 14 - Wed, Jan 20

9:44 pm - 1:55 pmBNA Nashville Intl-BOI Boise Air Term. Gowen Fld

17h 11m1 stop Las Vegas Harry Reid Intl

2:50 pm - 8:55 pmBOI Boise Air Term. Gowen Fld-BNA Nashville Intl

29h 05m1 stop Las Vegas Harry Reid Intl

$281Frontier

Thu, Oct 15 - Thu, Oct 22

9:44 pm - 1:55 pmBNA Nashville Intl-BOI Boise Air Term. Gowen Fld

17h 11m1 stop Las Vegas Harry Reid Intl

2:50 pm - 8:55 pmBOI Boise Air Term. Gowen Fld-BNA Nashville Intl

29h 05m1 stop Las Vegas Harry Reid Intl

$282Frontier

Thu, Oct 15 - Thu, Oct 22

Cheap last minute flights

Enter your travel dates to find the best prices.

6:30 pm - 10:56 pmBNA Nashville Intl-GEG Spokane

6h 26m1 stop Minneapolis St Paul

1:00 pm - 11:58 pmGEG Spokane-BNA Nashville Intl

8h 58m1 stop Seattle/Tacoma Intl

$386Delta

Sun, Sep 20 - Thu, Sep 24

6:30 pm - 10:56 pmBNA Nashville Intl-GEG Spokane

6h 26m1 stop Minneapolis St Paul

1:00 pm - 11:58 pmGEG Spokane-BNA Nashville Intl

8h 58m1 stop Seattle/Tacoma Intl

$426Delta

Sun, Sep 20 - Thu, Sep 24

6:10 pm - 10:05 pmBNA Nashville Intl-GEG Spokane

5h 55m1 stop Denver Intl

12:05 pm - 4:35 amGEG Spokane-BNA Nashville Intl

14h 30m1 stop San Diego

$441Southwest

Fri, Sep 18 - Sun, Sep 20

2:05 pm - 1:55 pmBNA Nashville Intl-BOI Boise Air Term. Gowen Fld

24h 50m1 stop Las Vegas Harry Reid Intl

2:50 pm - 9:00 pmBOI Boise Air Term. Gowen Fld-BNA Nashville Intl

29h 10m1 stop Las Vegas Harry Reid Intl

$473Frontier

Thu, Sep 17 - Sun, Sep 20

10:40 am - 3:11 pmBNA Nashville Intl-GEG Spokane

6h 31m1 stop Denver Intl

6:00 am - 9:37 pmGEG Spokane-BNA Nashville Intl

13h 37m2 stops San Francisco Chicago O'Hare Intl

$478United Airlines

Fri, Sep 18 - Sun, Sep 20

9:52 am - 10:41 pmBNA Nashville Intl-GEG Spokane

14h 49m2 stops Chicago O'Hare Intl San Francisco

6:00 am - 9:37 pmGEG Spokane-BNA Nashville Intl

13h 37m2 stops San Francisco Chicago O'Hare Intl

$486United Airlines

Fri, Sep 18 - Sun, Sep 20

5:14 pm - 11:11 pmBNA Nashville Intl-GEG Spokane

7h 57m1 stop Portland

3:34 pm - 11:59 pmGEG Spokane-BNA Nashville Intl

6h 25m1 stop Seattle/Tacoma Intl

$523Alaska Airlines

Sat, Sep 19 - Wed, Sep 23

9:03 am - 4:41 pmBNA Nashville Intl-GEG Spokane

9h 38m1 stop Seattle/Tacoma Intl

5:12 am - 5:22 pmGEG Spokane-BNA Nashville Intl

10h 10m2 stops Portland Dallas/Fort Worth

$575Alaska Airlines

Sat, Sep 19 - Wed, Sep 23

12:45 pm - 7:06 pmBNA Nashville Intl-JAC Jackson Hole

7h 21m1 stop Dallas/Fort Worth

3:41 pm - 10:55 pmJAC Jackson Hole-BNA Nashville Intl

6h 14m1 stop Chicago O'Hare Intl

$611American Airlines

Sat, Sep 19 - Tue, Sep 22

6:25 am - 10:55 amBNA Nashville Intl-BOI Boise Air Term. Gowen Fld

5h 30m1 stop Denver Intl

5:40 pm - 1:10 amBOI Boise Air Term. Gowen Fld-BNA Nashville Intl

6h 30m1 stop Phoenix Sky Harbor Intl

$652Southwest

Tue, Sep 22 - Sun, Sep 27

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Frontier flights from Nashville to Idaho

Our best Frontier deals on Nashville to Idaho flight tickets

Frontier

Oct 15

BNA9:44 pmNashville Intl

17h 11m

1 stop

BOI1:55 pmBoise Air Term. Gowen Fld

Oct 22

BOI2:50 pmBoise Air Term. Gowen Fld

29h 05m

1 stop

BNA8:55 pmNashville Intl

$281

Frontier

Oct 15

BNA9:44 pmNashville Intl

17h 11m

1 stop

BOI1:55 pmBoise Air Term. Gowen Fld

Oct 22

BOI2:50 pmBoise Air Term. Gowen Fld

29h 05m

1 stop

BNA8:55 pmNashville Intl

$282

Frontier

Sep 24

BNA1:49 pmNashville Intl

25h 06m

1 stop

BOI1:55 pmBoise Air Term. Gowen Fld

Sep 27

BOI2:50 pmBoise Air Term. Gowen Fld

21h 14m

1 stop

BNA1:04 pmNashville Intl

$462

Delta flights from Nashville to Idaho

Our best Delta deals on Nashville to Idaho flight tickets

Delta

Oct 15

BNA7:33 pmNashville Intl

5h 26m

1 stop

BOI11:59 pmBoise Air Term. Gowen Fld

Oct 21

BOI3:36 pmBoise Air Term. Gowen Fld

7h 23m

1 stop

BNA11:59 pmNashville Intl

$220

Delta

Oct 1

BNA6:30 pmNashville Intl

6h 24m

1 stop

GEG10:54 pmSpokane

Oct 7

GEG1:25 pmSpokane

7h 47m

1 stop

BNA11:12 pmNashville Intl

$276

Delta

Jan 8

BNA6:50 amNashville Intl

9h 55m

1 stop

GEG2:45 pmSpokane

Jan 10

GEG1:00 pmSpokane

8h 58m

1 stop

BNA11:58 pmNashville Intl

$304

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NashvilleBoise

BNA Nashville Intl - BOI Boise Air Term. Gowen Fld

BNABOI

Nashville Intl

Wed 10/7

5:00 am-11:24 am

1 stop7h 24m

Boise Air Term. Gowen Fld

Wed 10/14

3:24 pm-12:26 am

1 stop8h 02m

$207

NashvilleBoise

BNA Nashville Intl - BOI Boise Air Term. Gowen Fld

BNABOI

Nashville Intl

Sat 10/17

5:00 am-11:24 am

1 stop7h 24m

Boise Air Term. Gowen Fld

Sat 10/24

2:02 pm-9:16 pm

1 stop6h 14m

$207

Quickest round-trip

NashvilleBoise

BNA Nashville Intl - BOI Boise Air Term. Gowen Fld

BNABOI

Nashville Intl

Wed 10/28

6:30 am-12:15 pm

1 stop6h 45m

Boise Air Term. Gowen Fld

Wed 11/4

3:30 pm-10:15 pm

1 stop5h 45m

$207

NashvilleBoise

BNA Nashville Intl - BOI Boise Air Term. Gowen Fld

BNABOI

Nashville Intl

Wed 10/28

5:55 am-10:45 am

1 stop5h 50m

Boise Air Term. Gowen Fld

Wed 11/4

12:40 pm-9:55 pm

2 stops8h 15m

$212

NashvilleBoise

BNA Nashville Intl - BOI Boise Air Term. Gowen Fld

BNABOI

Nashville Intl

Thu 10/15

7:33 pm-11:59 pm

1 stop5h 26m

Boise Air Term. Gowen Fld

Wed 10/21

3:36 pm-11:59 pm

1 stop7h 23m

$220

NashvilleSpokane

BNA Nashville Intl - GEG Spokane

BNAGEG

Nashville Intl

Thu 1/14

4:55 pm-10:42 pm

1 stop7h 47m

Spokane

Wed 1/20

7:00 am-5:36 pm

1 stop8h 36m

$233

NashvilleBoise

BNA Nashville Intl - BOI Boise Air Term. Gowen Fld

BNABOI

Nashville Intl

Wed 10/14

5:31 pm-10:33 pm

1 stop6h 02m

Boise Air Term. Gowen Fld

Wed 10/21

5:00 am-3:54 pm

2 stops9h 54m

$255

NashvilleSpokane

BNA Nashville Intl - GEG Spokane

BNAGEG

Nashville Intl

Thu 1/14

10:35 am-5:53 pm

1 stop9h 18m

Spokane

Wed 1/20

9:00 am-8:15 pm

2 stops9h 15m

$269

NashvilleBoise

BNA Nashville Intl - BOI Boise Air Term. Gowen Fld

BNABOI

Nashville Intl

Thu 10/15

9:44 pm-1:55 pm

1 stop17h 11m

Boise Air Term. Gowen Fld

Thu 10/22

2:50 pm-8:55 pm

1 stop29h 05m

$281

NashvilleBoise

BNA Nashville Intl - BOI Boise Air Term. Gowen Fld

BNABOI

Nashville Intl

Thu 10/15

9:44 pm-1:55 pm

1 stop17h 11m

Boise Air Term. Gowen Fld

Thu 10/22

2:50 pm-8:55 pm

1 stop29h 05m

$282

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Nashville to Idaho

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Idaho?

In general, January is the cheapest month to fly from Nashville to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $324. If you don’t want to visit Idaho in January, then you should wait until October to fly from Nashville, when ticket prices are also cheap, with an average price of $328.

How far in advance should I book a flight from Nashville to Idaho?

You are more likely to see cheaper flights to Idaho from Nashville when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $410 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from Nashville for as low as $311 on momondo.

Cheap Nashville to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Nashville to Idaho

Best Price Found	$104
Fastest flight time	5h 44m
Direct flights	None

The best one-way flight to Idaho from Nashville in the past 72 hours is $104. The best round-trip flight deal from Nashville to Idaho found on momondo in the last 72 hours is $207.

The fastest flight from Nashville to Idaho takes 5h 44m

There are no direct flights from Nashville to Idaho. There are no popular flight routes from Nashville to Idaho.

Search flight deals

Frequently asked questions about flying from Nashville to Idaho

When did momondo last update prices for flights from Nashville Intl Airport to Idaho?
Prices for flights from Nashville Intl Airport to Idaho were last updated today.
How many operators does momondo search for flights from Nashville Intl Airport to Idaho?
As of September 2026, there are 5 operators available to choose from for flights from Nashville Intl Airport to Idaho.
How old do you have to be to fly from Nashville Intl Airport to Idaho?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Nashville Intl Airport to Idaho.
What documentation or ID do you need to fly to Idaho?
The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Nashville to Idaho

Compare and see reviews for airlines that fly from Nashville to Idaho with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $216	Free Cancellation	Rating 7.8 8,570 reviews	Search Delta flights
American Airlines	PriceFrom $234	Free Cancellation	Rating 7.1 12,063 reviews	Search American Airlines flights
United Airlines	PriceFrom $270	Free Cancellation	Rating 7.4 10,214 reviews	Search United Airlines flights
Southwest	PriceFrom $274	Free Cancellation	Rating 8.0 4,189 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Nashville to Idaho?

Finding the right flight to Idaho from Nashville is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Idaho quick and easy, saving you time and money.

Can I find flights from Nashville to Idaho with flexible booking policies on momondo?

Yes. All flights to Idaho from Nashville on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Nashville to Idaho?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Idaho from Nashville.

I’m not ready to book a flight from Nashville to Idaho right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Idaho from Nashville. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.